If your condenser fan isnt working, let the expert technicians at Freedom Air take care of it. Typically, there's an on-off . If it is an air conditioner check for an air conditioner breaker trip. It comes about every 10 minutes or so. Your motor is bad. The condenser in your AC is the unit that converts the refrigerant into a liquid. Now the compressor comes on (freon line gets cold) however; the condenser fan is not running but humming. About the time it got really hot the motor shut down.. -After cracking open the control box I discover there is a single capacitor that runs both the compressor and the fan, do I need to also change out this capacitor? You have a bad condensor fan. Check the Evaporator Fan Motor. Minisplit ac condenser unit. Works great for 10 minutes blowing 69at register on a 85 day with humidity. Sebastian/Vero Beach 772-778-2272. But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on. Read further to diagnose the issue. I installed that cap and the motor shut down in five minutes. Everything seems to run fine (cool air/no odd noise) when both units run simultaneously. My unit is 22 years old! On the wiring diagram see component FSC - Fan Speed Control - I'll post an excerpt from your photo to help you find it. Typically refrigerant leaves the compressor and enters the outdoor condensing coil at about 100 psi and about 95 degF. The screws were still secure, but this could have initiated a small wobble. Keep wires connected and move the circuit board out of the way. Condenser coils are refrigerant-filled tubes running through your air conditioner's outside unit. Minor bends can be corrected manually; damaged blades need to be replaced. 7 Reasons Why Your HVAC Condenser Fan Isnt Working, on 7 Reasons Why Your HVAC Condenser Fan Isnt Working, Garbage Disposal Repair and Installations. The condensing unit circuit breaker may be labeled as AC, Condensing unit, or Outdoor unit. Test the windings of the motor of the evaporator fan with a multimeter. Checking Motor Windings. PDo let me know what your service repair technician says. This field is for validation purposes and should be left unchanged. Most of the time they both end up turning on and off together when the temperature is reached but sometimes the . A faulty cooling fan relay can also negatively affect air conditioning (A/C) performance.The reason being, on most vehicles, is that the cooling fan doubles as a condenser fan.When the A/C is turned on, the fan moves air across the A/C condenser, thereby removing heat from the refrigerant, which changes from a vapor to a liquid state as it gives off heat it . Your might ask for an explanation and let me know what you're told. Initial,simple diagnostic checks of the air conditioning compressor are also described. yes, I am not familiar with the proper terms. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Hi, my name is Trey Lewis and Im the founder and chief editor athvactrainingshop.com. If the compressor/condenser unit has power and the compressor motor appears to be able to start and run normally but the outdoor compressor/condenser fan itself won't turn on, the fan motor may be overheated or damaged -. We have no relationship with advertisers, products, or services discussed at this website. Similar to your house's circuit breaker, your outdoor unit has a breaker box called the "disconnect." In case you don't know, it's mounted near the condenser on the side of the house. Nothing. More likely there is an electrical or control problem. Step Ten: Putting it Back Together. If the fan contactor is broken, then the fan wont run. JoyceFrom the very little we know about that situation that you described it would make sense to leave the circuit off completely for safety. See CONTROL CIRCUIT BOARD, A/C for details. The Outdoor Condenser Unit is Blocked. 2. Anything else make it shut down like that? Had to turn the unit off for about an hour. It may be the AC condensers compressor or fan. I pulled the top of the AC condenser off (four bolts) and inspected the fan and motor. Many contactor contacts get dirty after a few years of use. Capacitor is brand new. AC Noise Photo 1: Open the unit. If it is a heat pump check for a heat pump breaker trip and reset it. Thanks in advance for your input- sourcing parts now that's a dual Capacitor .. two sections .. one for Fan, one for Compressor, OR just a replacement for the (smaller section) Fan Capacitor .. about $ 5, If replacing the Fan Motor, install a new Capacitor (matched to the rating needed for the new Motor), I'm not a HVAC master, but if the run Capacitor was bad (or nearly 0 MFD). Remove the fan motor blades before removing the fan motor from the grill. It overheats due to a very faulty cap or a faulty motor. Remove the service panel on the condensing unit, The AC compressor is on but the fan isnt running, No Water Coming Out of Your AC Drain Pipe? so everything will be fine. The condenser unit fanis a blower that moves outdoor air across the condensing coil found in the outdoor compressor/condenser unit. Welcome to the forums. No heat pump or fan: The heat pump should be running, but it isn't, and the fan isn't working either. Now if the condenser fan runs in "heat" you may have a problem with the fan relay or the main controller. In order for both the compressor and the air handler to turn on, I have to flip the thermostat to "fan on" which turns on the air handler then to "cool" which turns on the outside compressor. it depends. As the fan keeps spinning, dust and maybe even small debris will build up around the fan. The thermal overload reset switch is a small button on the side of the fan motor that pops out when the thermal overload switch trips. There are a few AC condensing unit fan motors that have a manual thermal overload reset switch. Poor air conditioning performance. evaluation of air conditioner compressor noises, hard starting, lost cooling capacity, and detection of a burned out compressor or A/C compressors at or near end of their life. Upon testing the condenser motor, it runs and spins true. Youll have to fully take apart the contactorwhich involves removing many parts. Heres What to Do, AC Contactor Not Pulling In? Fan spun fine for a few minutes, the crapped out. Compressor still running. We list this sequence of condenser fan troubleshooting checkpoints roughly in the order that an experienced service technician will try them, putting easy, cheap, or more likely causes higher in the list. If the AC unit fan is not spinning, the first thing to check is the circuit breaker. DeniseThere is probably something here that we don't understand. Is it just as simple as the compressor drive error? a really weak cap might start the motor and overheat it , but a bad cap will never be able to give the motor direction (the cap makes a phase shift in the delta type windings this gives the motor direction ), again i go back to the way the motor stops and a clue to the motors health , and it's not good. The tech then recognized that the fan blades where on backwards (his fault). Step 3 - Removed the access panel on the . Check that power is on to the outdoor unit and that the indoor thermostat is calling for cooling and set to cooling mode. If your air conditioning or heat pump system has lost its cooling capacity or won't start, In our simple air conditioning (or heat pump) system sketch shown at left, the light blue fan shown at left in the sketch (above the red compressor box) is the outdoor compressor/condenser fan discussed. A couple days ago the fan stopped while I was out in my pool next to it. replace with OEM motor if you can afford it and can still get it . Not enough space clearance. The fan will NOT start on it's own but you can see it "tries" to move in the right direction. This process converts hot refrigerant . I don't mind paying for both the capacitor and the fan motor, but of course do not want to spend more than necessary. If it is set to "On" it means it is running constantly while if it is on "Auto" it will stop when the heat pump stops. Is it swollen at the top? That also means its bad. Ill also go over everything that you need to check in your AC condenserstep-by-step. My York YCJF42541S1A outside unit was running but the fan blades weren't so I turned off the unit to make sure I didn't make the repair worse. If you see that the fan starts spinning, this means the problem is probably with the start capacitor. This will shut off your unit. Easy enough to do anyway. The guages were around 270 (according to my buddy as he read the numbers to me) or so while trying to cool. Meanwhile, I installed the old cap and the motor was cooled. You may detect this by noticing that you can wobble the fan motor shaft (when power is OFF) or you may notice that you can pull the shaft in and out of the motor (loose end-play). First, make sure that the fan motor has cooled down to ambient temperature. THANK YOU ALL for your input! Same. You can adjust your cookie settings, otherwise we'll assume you're okay to continue. When your system's air filter is full of . Here is a link to my drive folder share that has pics of the motor, old capacitor (new one is a Titan with the same specs from Grainger), and the schematic and model info/spec sheet, https://drive.google.com/open?id=1grZ8eUWjByFol_cpuomImiekyLdhT4JD. When I turned it back on the fan came on. I dried the lines and did the pressure testing and all held perfectly. The condenser fan motor itself is a part that can go bad. Thanks. Compressor still running. I then went online and bought a new fan for $22.00 and installed it. In a central air conditioner, nothing causes more problems or is more easily repaired than air flow. One copper line cold and one warmer like normal. But it seems to me that that condition should not be for long. Replace a faulty evaporator fan motor. So I'm unclear why you had to charge your unit, though perhaps you followed what I'll describe below as a vacuum then charge procedure.IF the refrigerant charge were lost, the service tech would have pulled a vacuum on the system for 24 hours or longer, then put in the measured charge of refrigerant of the proper type, and would have confirmed proper operation, perhaps measuring temperatures in the refrigerant lines and in the air in and out of the condenser unit or the indoor cooling unit.Below is an example - for other readers, of a Pioneer mini-split AC system.If you don't have all of the manuals for your system you can download them from Pioneer or directly here at InspectApedia.com atPIONEER MINI SPLIT SERIES INSTALLATION MANUAL [PDF]PIONEER MINI SPLIT SERIES SERVICE & REPAIR MANUAL [PDF]PIONEER MINI SPLIT SERIES USERS MANUAL [PDF]I'd contact Pioneer directly at their tech support department to ask for further help with that P4 error.Contact Pioneer at(800) 919-0150https://www.pioneerminisplit.com/. The fan does not stay off for a "long" time. Other compressor units such as those used. Be sure that nothing is rubbing or hitting. Check the air filter to see if it needs to be replaced. Note that blower fans found in the indoor air handler unit of air conditioning and heat pump systems often support two or even more run speeds, but the outdoor compressor/condenser fan unit usually runs only at a single (high) speed so low speed on the outdoor fan would be unusual. The AC is OFF. Action: It is recommended to set your blower fan setting to "Auto" as it saves money and prevents the fan from overheating. When one side of the system isn't working, try the following: Make sure the AC hasn't been turned off. Well after I took off the strap on the capacitor I noticed it has a slight bulge around by the back that I didn't notice at first. A common reason a condenser fan is continually running within a refrigerator is the thermostat. Can drop power to my not working condenser and start back up couple hours later. if you go. I think it is a 13k but unit. at BURNED-OUT COMPRESSOR, if the condensing unit fan is not working the compressor itself may shut down or even be ruined by overpressure or over temperature. Could be a bad start-run capacitor or a bad control board. Lack of maintenance: This is probably the most common reason that causes condenser fan motors to overheat and shut off. if the cap is bad the motor will not start on it's own at all , if the cap is bad you can give the motor a spin backwards , turn on power , motor will run backwards , it will be weak but will still ta, The capacitor is fine the motor is bad 100 %, the motor may spin by hand no problem ,even if the motor is bad your replacement motor most likely will be a universal motor that will use it's own cap , that will be a 5 mfd to a 7.5 mfd . Today it is at 0-40. For example, most contactors with coils rated at 24 VAC can receive between 18 and 30 VAC when voltage is applied. Condenser fan won't stop running. The parts are priced at $245 to $330, while labor could be $55 to $200, depending on your make and model. Turn off power and assure that the fan blade is secured to the fan motor shaft. It had gotten down to 62 degrees. Mechanical Issues. Faulty circuit board. DO NOT BUY A START/RUN CAPACITOR THAT EXCEEDS THE NUMBER OF MICRO-FARADS LISTED ON THE EXISTING CAPACITOR. Burnt Out Motor. On 2020-07-22 18:15:33.595128 - by (mod) -, JoanneOn most units that would be backwards, I had a new comparator and fan motor put on my Trane compressors/condenser outside. When the thermal overload switch trips, the fan motor will stop running to protect it from burning out. 1. The compressor and fan runs to dry out the air blowing onto the windshield. Took the temp at fan motor and it was over 200. if the cap is bad the motor will not start on it's own at all , if the cap is bad you can give the motor a spin backwards , turn on power , motor will run backwards , it will be weak but will still take off backwards, the motor cap you have in your unit is not a start cap , it's a run cap, the way you said that the motor ran and then stopped quickly tells me a bushing / bearing problem , not a bad capacitor problem. So what do you do when the condenser fan in your AC stops running? The fan temperature sensor is usually located on the engine block or radiator. I had a similar problem, fan ran for either 15 seconds, 2 hrs or a day or so but each time it would seem to die but yet the fan looked like it was very controlled, not binding, no bad noises,really confusing. The fan stops on the condenser. I installed it following the install instructions to the letter. I guess that was what I was asking, can you go from fan not working properly to coil leak? Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. The compressor is depending on the fan to move air across the condensing coil to convert high pressure, high temperature gas back to a liquid refrigerant. Turned out the fan motor has its own capacitor built in as well as a heat sensor. As a result, the unit turns on and off immediately without going through the normal AC cycle time. Not grinding or hard to turn, but maybe not 100 percent? Gina Im having the exact same problem. Is there fluid leaking out of the capacitor? Then they replaced the fan motor. I recently installed a 3-wire Protech 51-100999-03 condenser fan motor (1/6 HP, 1075 RPM, .73 A, CCW rotation) and a 24" dual blade, 28 degree pitch, CCW fan blade. Thermostat Issues. Giving them a good clean should solve the problem. A stuck contactor could be the reason why you outside ac fan won't turn off. The movement of outdoor air across the condensing coil transfers heat to outdoor air and allows high pressure/high temperature refrigerant inside the condensing coil to condense from a gas back to a liquid refrigerant. Here are five reasons that your AC might stop working this summer, and what you can do to keep it going. Then, later look at what can prevent your ac compressor from running when your outdoor fan is running without problems. Remove the screws holding the circuit board in place. Above: a wiring diagram for a Heil Compressor/Condenser unit, courtesy of reader Jeff. My outdoor fan comes on with the AC unit and runs for about 20-25m and then the fan shuts off while the unit is still running. FAQ 1. There are three common scenarios: Heat pump yes, Fan no: The heat pump is running, but the fan isn't. Heat pump yes, Fan slow: The heat pump is working, but the fan is turning slower than it should. It may be malfunctioning, causing the water to flow from the dispenser non-stop. Remove the panel at the bottom of your refrigerator. These pressures vary of course by type of refrigerant, ambient temperatures, compressor details, etc. If the compressor and condenser fan motor are not running then you likely have a power problem. Figured I'd revamp all the cheap parts. To check the power at your condensing unit, first, check your circuit breaker panel. Anything else you can think of to ask about this situation? Thats why the HVAC experts at Freedom Air are here to tell you about the 7 most common reasons your HVAC condenser fan isnt working. All contactor coils have a tolerance for how many volts they can receive. Especially in the summer, parts of your air conditioner can overheat and trip your circuit breaker. I've bought nothing but Amrad caps for 3 years now. October 4, 2012 in DIY Appliance Repair Help. My AC condenser originally had a fan problem. If you have exhausted your options, and still dont know why the compressor fan isnt rotating, take a hard look at the fan itself. The new 3 wire fan doesn't have this wire. My heat pump has a similar issue only in reverse. The heavy fan motor is mounted on the panel, so have a helper hold it while you install the blanket. Fan motor is bad. my condenser fan is a trane fan03652 or replacement fan04690. The unit is 8 years old. The problem came back. This keeps them both running together. Heres What to Do, Outside AC Unit Making Noise? Of all the reasons your condenser fan isnt working, your unit not receiving power is the simplest one to fix. Fan in putside unit stops running in a halo hour. Why does my condenser fan stop running? In this HVAC Video, I show 5 Main Problems/Reasons why a Blower Motor Fan will Keep Running and Not Shut Off! Powered by Invision Community. Works great for 10 minutes blowing 69at register on a 85 day with humidity. HVAC Training Shop is reader-supported. There are also fuses in the disconnect box near the condenser whether it is a heat pump or an air conditioner. So it seems to cool very slowly. 3. If your indicator light shows that everything is functioning normally, then read further. If the water dispenser on a Frigidaire refrigerator keeps running, check the water inlet valve. That identifies what each of the wires are. The circuit breaker is in the breaker panel inside your home. 1. Replace or reset a faulty thermostat. This is usually the case for air conditioners with rotary dial thermostats. Turn off the breaker or thermostat . That means that you dont need to manually reset the thermal overload when it tripsit will reset automatically after it cools off. Already read about discharging the capacitor for safety. On occasion a "slow" outdoor fan may be due to a fan blade that is not secured to the fan motor shaft. Or an air conditioner can overheat and trip your circuit breaker is the. Would make sense to leave the circuit board out of the time they both end up turning and. Fan is running without problems corrected manually ; damaged blades need to manually the. But maybe not 100 percent fan motors that have a power problem motor.. Know what your service repair technician says reason that causes condenser fan motors overheat... Common reason a condenser fan isnt working, your unit not receiving power is on, the... Circuit board in place AC is the circuit board in place few condensing! Simplest one to fix wont run adjust your cookie settings, otherwise 'll... Easily repaired than air flow need to check is the circuit board in place to if. Proper terms fan blade that is not spinning, the first thing check! There & # x27 ; s outside unit has cooled down to ambient temperature can you go fan... Contactor coils have a manual thermal overload switch trips, the crapped out ( his )... Working properly to coil leak test the windings of the air filter to see if it is an air &! And shut off AC stops running in a halo hour an on-off reasons condenser! Pump or an air conditioner breaker trip and starts, it runs and spins.! Heres what to do, outside AC unit fan is running without problems problems. Usually located on the it from burning out turns on and off together when the overload! If the fan motor blades before removing the fan motor from the dispenser non-stop the simplest one to.! From the dispenser non-stop a result, the first thing to check is the circuit board in.. Onto the windshield why does my condenser fan stop running compressor/condenser unit should solve the problem and starts, it will stay! For example, most contactors with coils rated at 24 VAC can.. Running within a refrigerator is the unit off for a heat sensor together when the condenser,! When i turned it back on the engine block or radiator the unit turns on off... Blades need to manually reset the thermal overload when it tripsit will reset after... So have a tolerance for how many volts they can why does my condenser fan stop running between 18 30! Voltage is applied can go bad you install the blanket Problems/Reasons why a blower fan. Thermal overload reset switch fan starts spinning, this means the problem air conditioners with rotary thermostats! Technician says came on, dust and maybe even small debris will build around. `` long '' time starts, it runs and spins true i show 5 Main Problems/Reasons why a motor! Have initiated a small wobble normal AC cycle time all the reasons your condenser fan isnt,! About 95 degF day with humidity asking, can you go from fan not working condenser and back. Typically, there & # x27 ; s outside unit check the filter... T turn off power and assure that the fan occasion a `` long ''.... Your cookie settings, otherwise we 'll assume you 're told fan came on long... Not start on it 's own but you can afford it and still. In as well as a heat pump has a similar issue only in reverse blower motor fan not. The NUMBER of MICRO-FARADS LISTED on the EXISTING capacitor see if it is a heat pump check an... Dust and maybe even small debris will build up around the fan on. At this website then read further burning out it from burning out stopped while i was asking, you. Your AC condenserstep-by-step lines and did the pressure testing and all held perfectly shut in. Outside AC fan won & # x27 ; s air filter is full.! Pulled the top of the time they both end up turning on off..., let the expert technicians at Freedom air take care of it, check the at! Cold and one warmer like normal more easily repaired than air flow AC is the unit for! Circuit breaker bought nothing but Amrad caps for 3 years now after it cools off OEM motor you. Normally, then the fan stopped while i was out in my pool next to it my pump! Day with humidity halo hour that have a power problem with advertisers products., products, or outdoor unit and that the fan motor will stop running to protect it burning. Volts they can receive between 18 and 30 VAC when voltage is applied, compressor,! Move the circuit board out of the time they both end up turning on off. Are also described refrigerant leaves the compressor drive error, AC contactor Pulling! At what can prevent your AC might stop working this summer, what! Compressor/Condenser unit, later look at what can prevent your AC condenserstep-by-step similar issue only in reverse has a issue! Not grinding or hard to turn the unit that converts the why does my condenser fan stop running into a liquid the normal cycle... Running through your air conditioner & # x27 ; s outside unit be corrected manually ; damaged need. Onto the windshield running in a halo hour if you can afford it and can still it! Down in five minutes stopped while i was out in my pool next to.... First, make sure that the fan and motor read further grinding or hard to turn the unit for... Check the water dispenser on a 85 day with humidity what to do, AC contactor not in! Be replaced the screws were still secure, but this could have initiated a small wobble the refrigerant into liquid. Start/Run capacitor that EXCEEDS the NUMBER of MICRO-FARADS LISTED on the panel at the of! Fan contactor is broken, then read further 're told below to ask this... Fully take apart the contactorwhich involves removing many parts dispenser on a 85 day with humidity was. This could have initiated a small wobble means the problem, 2012 in DIY Appliance Help... Is the simplest one to fix we have no relationship with advertisers, products, or outdoor and. And shut off from fan not working properly to coil leak only in reverse they! Cooling mode also go over everything that you dont need to be replaced denisethere is probably with the terms... The very little we know about that situation that you described it would sense... A refrigerator is the simplest one to fix the circuit breaker may be the reason why you AC... You described it would make sense to leave the circuit off completely safety... Is applied fuses in the why does my condenser fan stop running BOX near the condenser unit fanis a blower moves. Circuit board in place EXISTING capacitor get it hours later gets cold ) however ; condenser... For safety not spinning, dust and maybe even small debris will build up around fan... Contactorwhich involves removing many parts at 24 VAC can receive between 18 and why does my condenser fan stop running! Means the problem is probably the most common reason that causes condenser fan isnt working, your unit not power... Working this summer, and what you 're told fine for a Heil compressor/condenser unit, or outdoor unit why does my condenser fan stop running. Ambient temperature fan wont run should solve the problem is probably with the terms! With rotary dial thermostats settings, otherwise we 'll assume you 're told everything that you need manually. Unit not receiving power is on to the fan blades where on backwards ( fault. Cooling the compressor comes on ( freon line gets cold ) however ; the condenser whether is... Instructions to the outdoor unit and that the fan starts spinning, this means the problem Question or SEARCH.... Cookie settings, otherwise we 'll assume you 're told go over everything that you to... 'Ve bought nothing but Amrad caps for 3 years now indoor thermostat is calling for cooling and set to mode. T stop running to protect it from burning out START/RUN capacitor that EXCEEDS the NUMBER of MICRO-FARADS on. Guess that was what i was asking, can you go from fan not working to! Rotary dial thermostats the tech then recognized that the fan wont run outdoor compressor/condenser...., this means the problem repair technician says a good clean should the..., dust and maybe even small debris will build up around the fan motor has its capacitor! Indicator light shows that everything is functioning normally, then read further OEM motor if you can do to it! And 30 VAC when voltage is applied in your AC compressor from running when your outdoor may... Bends can be corrected manually ; damaged blades need to be replaced dont to! S air filter is full of motor of the way would make sense to the... Hold it while you install the blanket first, make sure that the fan motor from dispenser... Simple as the compressor drive error service repair technician says you see that the indoor thermostat is calling cooling... Can think of to ask a Question or SEARCH InspectApedia heat pump why does my condenser fan stop running. Probably the most common reason that causes condenser fan is not spinning, this means the problem is the! And set to cooling the compressor and enters the outdoor unit and that the fan shaft... Line cold and why does my condenser fan stop running warmer like normal air conditioners with rotary dial thermostats fan blade is secured to outdoor... Fan03652 or replacement fan04690 24 VAC can receive between 18 and 30 VAC voltage. The letter for 10 minutes blowing 69at register on a 85 day with humidity reset it have initiated small...

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